A F C G H / D E = A B C
D E
-----
I D G
I C D
-----
F J H
F G A
-----
J B
Identify the numbers.
A=1
B=8
C=3
D=6
E=7
F=2
G=0
H=9
I=5
J=4
12309 / 67 == 183, remainder 48
lines:
12309
67
560
536
249
201
48
A must be 1 since first division is DE * A = DE
Varying CDEFIB gives only one set of values, and the rest follows easily from that.